Tracy Muni climate by month
Averages and records for each calendar month at Tracy Muni, United States, from 1912 to 2026. The warmest month is July, averaging 29.1°C; the coolest is January at −4.9°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −4.9°C | −15.4°C | 18.3°C25 January 1981 | −36.1°C13 January 1916 | 112 / 112 |
| February | −2.4°C | −13.0°C | 18.3°C20 February 1930 | −34.4°C2 February 1917 | 109 / 112 |
| March | 4.3°C | −6.0°C | 28.3°C23 March 1939 | −28.9°C1 March 1962 | 110 / 110 |
| April | 13.3°C | 1.2°C | 34.4°C25 April 1962 | −16.7°C8 April 2007 | 112 / 113 |
| May | 21.0°C | 8.2°C | 41.7°C30 May 1934 | −7.8°C3 May 1967 | 112 / 114 |
| June | 26.4°C | 14.0°C | 40.6°C28 June 1931 | 0.6°C3 June 1946 | 113 / 113 |
| July | 29.1°C | 16.5°C | 42.2°C27 July 1930 | 4.4°C4 July 1967 | 115 / 115 |
| August | 27.7°C | 15.1°C | 40.6°C24 August 1936 | 2.2°C20 August 1950 | 112 / 114 |
| September | 23.2°C | 10.2°C | 40.6°C10 September 1931 | −7.8°C25 September 2000 | 112 / 115 |
| October | 15.9°C | 3.4°C | 33.9°C10 October 1928 | −16.7°C29 October 1925 | 111 / 113 |
| November | 5.6°C | −4.5°C | 26.1°C14 November 1999 | −26.7°C30 November 1964 | 111 / 113 |
| December | −2.3°C | −11.8°C | 20.6°C6 December 1939 | −34.4°C19 December 1983 | 112 / 113 |
Years shows the number behind the average high, then the number holding a record for that month. They differ because a year contributes an average only when the month has at least 25 days of readings, while a single reading is enough to set a record. The average low is withheld on the same 25-day rule and is counted separately again; it is shown as a dash where the archive cannot support it. Across the twelve months here the averages rest on 109 to 115 years each.
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Every figure on this page is computed from NOAA GHCN-Daily observations stored per station, per year, per month. Nothing is modelled, interpolated or estimated, and a month the archive never covered is left out rather than filled in. A station appears here only once all twelve months carry an average from at least 10 years. See how this is built.